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Posted to commits@cassandra.apache.org by "Jonathan Ellis (Updated) (JIRA)" <ji...@apache.org> on 2011/11/30 22:05:40 UTC
[jira] [Updated] (CASSANDRA-3544) NPE on startup when there are
permissions issues with directories
[ https://issues.apache.org/jira/browse/CASSANDRA-3544?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jonathan Ellis updated CASSANDRA-3544:
--------------------------------------
Reviewer: jbellis
Affects Version/s: (was: 1.0.5)
Fix Version/s: 1.0.6
Assignee: Yuki Morishita
> NPE on startup when there are permissions issues with directories
> -----------------------------------------------------------------
>
> Key: CASSANDRA-3544
> URL: https://issues.apache.org/jira/browse/CASSANDRA-3544
> Project: Cassandra
> Issue Type: Bug
> Components: Core
> Reporter: Tyler Hobbs
> Assignee: Yuki Morishita
> Priority: Minor
> Fix For: 1.0.6
>
>
> If the directories used by cassandra for data, commitlog, and saved caches aren't readable due to permissions, you get an NPE on startup. In particular, if none of them are readable, you'll see something like this:
> {noformat}
> ERROR 14:50:11,945 Exception encountered during startup
> java.lang.NullPointerException
> at org.apache.cassandra.db.ColumnFamilyStore.scrubDataDirectories(ColumnFamilyStore.java:391)
> at org.apache.cassandra.service.AbstractCassandraDaemon.setup(AbstractCassandraDaemon.java:147)
> at org.apache.cassandra.service.AbstractCassandraDaemon.activate(AbstractCassandraDaemon.java:337)
> at org.apache.cassandra.thrift.CassandraDaemon.main(CassandraDaemon.java:107)
> java.lang.NullPointerException
> at org.apache.cassandra.db.ColumnFamilyStore.scrubDataDirectories(ColumnFamilyStore.java:391)
> at org.apache.cassandra.service.AbstractCassandraDaemon.setup(AbstractCassandraDaemon.java:147)
> at org.apache.cassandra.service.AbstractCassandraDaemon.activate(AbstractCassandraDaemon.java:337)
> at org.apache.cassandra.thrift.CassandraDaemon.main(CassandraDaemon.java:107)
> Exception encountered during startup: null
> {noformat}
> This traceback happens when the saved_caches directory isn't readable, but you can get different ones if only the data or commitlog directories aren't readable.
> We should check the permissions of these directories before trying to list their contents.
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